html,body{
    height: 100%;
    width: 100%;
    margin: 0;
}

a{
    text-decoration: none;
    color: black;
}

.container{
    height: 100%;
    width: 1600px;
    margin: 0 auto;
}

/* 第一部分 */
.container .d1{
    height: 40px;
    width: 100%;
    position: relative;
    border: 1px solid black;
    border-top: 2px solid blue;
}

.container .d1 .dd1{
    height: 40px;
    width: 400px;
    position: absolute;
    left: 100px;
    text-align: center;
}

.container .d1 ul{
    margin: 0;
    padding: 0;
    display: inline-block;
}

.container .d1  li{
    display: inline-block;
    list-style-type: none;
    width: 80px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    border-left: 1px solid black;
}

.container .d1 .last{
    width: 160px;
    border-right: 1px solid black;
}

.container .d1 .dd2{
    display: inline-block;
    position: absolute;
    background-color: orange;
    height: 40px;
    width: 120px;
    right: 100px;
    line-height: 40px;
    text-align: center;
}

/* 第二部分 */
.container .d2{
    height: 80px;
    width: 100%;
    position: relative;
}

.container .d2 ul{
    margin: 0;
    padding: 0;
    display: inline-block;
}

.container .d2  li{
    display: inline-block;
    list-style-type: none;
    width: 80px;
    height: 80px;
    line-height: 80px;
    text-align: center;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.container .d2 li:hover{
    border-bottom: 2px solid blue;
}

.container .d2 .dd1{
    position: absolute;
    left: 135px;
    top: 15px;
}

.container .d2 .dd2{
    height: 80px;
    width: 700px;
    position: absolute;
    left: 400px;
}

/* 第三部分 */
.container .d3{
    width: 1600px;
    height: 560px;
}

.container .d3 img{
    width: 100%;
    height: 100%;
}


/* 第四部分 */
.container .d4{
    height: 850px;
    width: 1600px;
    position: relative;
    background: rgb(244, 244, 244);
}

.container .d4 h2{
   margin-top: 0px;
   text-align: center;
}

.container .d4 p{
    margin: 5px;
    text-align: center;
}

.container .d4 .dd1{
   position: absolute;
   left: 135px;
   top: 95px;
}

.container .d4 .dd2{
    position: absolute;
    left: 675px;
    top: 95px;
}

.container .d4 .dd3{
    position: absolute;
    left: 1220px;
    top: 95px;
}

.container .d4 .dd4{
    position: absolute;
    left: 135px;
    bottom: 100px;
}

.container .d4 .dd5{
    position: absolute;
    left: 675px;
    bottom: 100px;
}

.container .d4 .dd6{
    position: absolute;
    left: 1220px;
    bottom: 100px;
}

.container .d4 .xian{
    width: 1360px;
    height: 30px;
    position: absolute;
    bottom: 40px;
    left: 135px;
}

.container .d4 .xian .x1{
    display: inline-block;
    height: 60px;
    width: 60px;
    border: 1px solid rgb(131, 131, 131);
    border-radius: 50%;
    line-height: 60px;
    text-align: center;
    margin: 0 auto;
    color: rgb(131, 131, 131);
    z-index: 1;
}

.container .d4 .xian .right{
    display: inline-block;
}


/* 第五部分 */
.container .d5{
    height: 850px;
    width: 100%;
    position: relative;
    text-align: center;
}

.container .d5 .wz{
    color: orange;
}

.container .d5 .dd1{
    position: absolute;
    bottom: 120px;
}

/* 第六部分 */
.container .d6{
    height: 180px;
    width: 100%;
    background-color: rgb(3, 61, 84);
    position: relative;
}

.container .d6 h2{
    margin: 10px;
    margin-left: 0;
}

.container .d6 p{
    margin: 0;
}

.container .d6 .tx{
    height: 180px;
    width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: space-evenly;
}

.container .d6 .tx .dd1{
    height: 180px;
    width: 22%;
}

.container .d6 .tx .dd1 img{
    margin-top: 10px;
    width: 220px;
}

.container .d6 .tx .dd2{
    height: 180px;
    width: 22%;
}

.container .d6 .tx .dd2 .wz{
    margin-bottom: 20px;
    border-bottom: 1px solid rgb(2, 67, 92);
}

.container .d6 .tx .dd3{
    height: 180px;
    width: 22%;
    box-sizing: border-box;
}


.container .d6 .tx .dd3 li{
    float: left;
    height: 50px;
    width: 85px;
    text-align: center;
    border: 1px solid rgb(2, 37, 51);
    border-radius: 50px 50px;
    line-height: 50px;
    text-align: center;
    margin-bottom: 10px;
    margin-left: 10px;
    background-color: rgb(2, 37, 51);
}

.container .d6 .tx .dd3 ul{
    list-style-type: none;
}


.container .d6 .tx .dd4{
    height: 180px;
    width: 22%;
}

.container .d6 .tx .dd4 p{
    margin-bottom: 10px;
}

/* 第七部分 */
.container .d7{
    text-align: center;
}

.container .d7 p{
  margin: 10px;
}